zipradar

ZIP 78704 · Texas

Neighborhood data for ZIP 78704 — Austin (South Congress), Texas

This page indexes the twelve public-records dimensions zipradar covers for ZIP 78704 — water, flood, wildfire, crime, schools, radon, air, lead, tax, deeds, zoning and the sex-offender registry — and names the federal or county regulator behind each. Follow a dimension for what that source covers, what it leaves out, and how often the regulator publishes; see methodology for the full cadence and limitations.

Last verified 2026-09-15 · methodology

  • Water quality

    Source: EPA SDWIS

    Drinking-water violations, lead-copper results, and health alerts per community water system, sourced from EPA SDWIS and refreshed quarterly.

    Water quality for Austin (South Congress) →

  • Flood zone

    Source: FEMA NFHL

    Official FIRM flood-zone classifications by address with base flood elevations, sourced from the FEMA National Flood Hazard Layer and refreshed quarterly.

    Flood zone for Austin (South Congress) →

  • Wildfire risk

    Source: USDA Forest Service

    Community-level wildfire hazard potential on a five-step scale, sourced from USDA Forest Service Wildfire Risk to Communities and refreshed annually.

    Wildfire risk for Austin (South Congress) →

  • Air quality

    Source: EPA Air Quality System (AQS), annual county summary

    2025 annual air-quality summary (median AQI, category, unhealthy-day counts) by county, from EPA's Air Quality System, per US ZIP code.

    Air quality for Austin (South Congress) →

  • Crime

    Source: FBI UCR

    Reported crime per 100,000 residents, normalized across years and agencies, sourced from the FBI Crime Data Explorer.

    Crime for Austin (South Congress) →

  • Schools

    Source: NCES Common Core of Data

    District boundary, enrollment, student-teacher ratio, and school demographics sourced from the NCES Common Core of Data.

    Schools for Austin (South Congress) →

  • Radon

    Source: EPA Radon Zones

    County-level radon risk zone (1, 2, or 3) sourced from the EPA Map of Radon Zones, with state-level supplementary testing context.

    Radon for Austin (South Congress) →

  • Lead pipes

    Source: EPA LCRR + RTI National Lead Pipe Map

    Lead service-line counts reported under the 2024 Lead and Copper Rule Revisions, sourced from EPA LCRR and RTI's national map.

    Lead pipes for Austin (South Congress) →

  • Property tax

    Source: County assessors

    Millage rates and assessment methodology from county assessor offices, covering the top 50 US metros.

    Property tax for Austin (South Congress) →

  • Deed activity

    Source: County recorders

    Recent deed-transfer counts aggregated to ZIP level, sourced from county recorder offices. Homeowner names are never cached or republished.

    Deed activity for Austin (South Congress) →

  • Zoning

    Source: Municipal planning departments

    Residential, commercial, industrial, and mixed-use zoning classifications sourced from municipal planning departments.

    Zoning for Austin (South Congress) →

  • Sex offender registry

    Source: NSOPW (federal deep-link)

    Deep-link to the Department of Justice's National Sex Offender Public Website (NSOPW). zipradar does NOT cache or republish registry records.

    Sex offender registry for Austin (South Congress) →

Travis County, TX

ZIP 78704 is in Travis County. County-level data anchors property tax (assessor), deeds (recorder), and the EPA Map of Radon Zones.

Travis County dashboard →

Why ZIP 78704?

Austin (South Congress), Texas is one of the 370 zip codes zipradar covers today, and coverage keeps expanding toward the full 41,000+ US zip code set. Want your zip added sooner? Email us.

Frequently asked questions

What ZIP code is Austin (South Congress), TX?

Austin (South Congress), Texas is in ZIP 78704 (Travis County). zipradar federates neighborhood data for this ZIP across 12 dimensions: water, flood, wildfire, crime, schools, radon, air, lead, property tax, deeds, zoning, and sex-offender registry — each sourced from the primary federal or county regulator.

What county is ZIP 78704 in?

ZIP 78704 (Austin (South Congress), TX) is located in Travis County, Texas. The county-level data anchors property tax records (assessor), deeds (recorder), and EPA Map of Radon Zones for this ZIP.

Where does zipradar get data for ZIP 78704?

zipradar names the primary source for each dimension: EPA (water, radon, air), FEMA (flood), FBI (crime), NCES (schools), USFS (wildfire), and Travis County county records (property tax, deeds, zoning). Each dimension page links to that regulator's own data — see /methodology for what's covered per source and how current it is.

Is ZIP 78704 data current?

Last verified 2026-09-15. Refresh cadence varies by source: EPA SDWIS quarterly, FEMA NFHL on map updates, FBI Crime Data Explorer annually, NCES annually, county assessor records typically annually. See /methodology for per-source cadence and known lag windows.

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